Actinoid Metals

《英文msh詞典》Actinoid Metals
[入口詞] Actinoid Metals
[主題詞] Actinoid Series Elements
[中文釋義] 錒系金屬
[英文釋義] A series of radioactive elements from ACTINIUM,atomic number 89,to and including LAWRENCIUM,atomic number 103.